| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] time | 2179 |
|
| 2 | for a certain [noun] | 124 |
|
| 3 | [prep] a certain time | 90 |
|
| 4 | [prep] a certain time | 90 |
|
| 5 | for [art] certain time | 12 |
|
| 6 | for a certain time | 12 |
|
